1200223202220 has 72 divisors (see below), whose sum is σ = 4160773772064. Its totient is φ = 274336731648.

The previous prime is 1200223202203. The next prime is 1200223202231. The reversal of 1200223202220 is 222023220021.

1200223202220 is a `hidden beast` number, since 1 + 20 + 0 + 223 + 202 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200223202193 and 1200223202202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476277789 + ... + 476280308.

It is an arithmetic number, because the mean of its divisors is an integer number (57788524612).

Almost surely, 2^{1200223202220} is an apocalyptic number.

1200223202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200223202220 is an abundant number, since it is smaller than the sum of its proper divisors (2960550569844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200223202220 is a wasteful number, since it uses less digits than its factorization.

1200223202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952558119 (or 952558114 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1200223202220 its reverse (222023220021), we get a palindrome (1422246422241).

The spelling of 1200223202220 in words is "one trillion, two hundred billion, two hundred twenty-three million, two hundred two thousand, two hundred twenty".